how do b12 injections compare to oral supplements Vitamin vs Injection Not all supplements are absorbed
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The 1000 mcg dose is seen as effective
Needle phobia is real
Across those trials, AOD-9604 demonstrated a strong safety profile adverse events were comparable to placebo, no genotoxicity was found, and it showed no negative effect on glucose or insulin sensitivity

Kanazawa, S., Herbert, V., Herzlich, B., Drivas, G., & Manusselis, C
